Ответ:
2NA + 02 = NA2O2
2Fe + 3Cl2 = 2FeCl3
2Mn2O7 = 2MnO2 + 5O2
4Cr(OH)3 = 2Cr2O3 + 6H2O
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Ответ:
2NA + 02 = NA2O2
2Fe + 3Cl2 = 2FeCl3
2Mn2O7 = 2MnO2 + 5O2
4Cr(OH)3 = 2Cr2O3 + 6H2O